Panasonic GH5S vs Pentax K20D

Its time to examine more closely at the Panasonic GH5S versus Pentax K20D, one being a Pro Mirrorless and the other is a Advanced DSLR by competitors Panasonic and Pentax. There exists a crucial gap between the resolutions of the GH5S (10MP) and K20D (15MP) and the GH5S (Four Thirds) and K20D (APS-C) come with different sensor sizes.

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The GH5S was introduced 9 years later than the K20D and that is quite a serious gap as far as technology is concerned. Both cameras offer different body type with the Panasonic GH5S being a SLR-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before diving through a comprehensive comparison, below is a quick highlight of how the GH5S grades against the K20D when considering portability, imaging, features and an overall rating.

This is a sample of the gallery pictures for Panasonic Lumix DC-GH5S and Pentax K20D. The whole galleries are available at Panasonic GH5S Gallery and Pentax K20D Gallery.

For those who are looking to carry your camera often, you'll need to factor in its weight and dimensions. The Panasonic GH5S comes with outer dimensions of 139mm x 98mm x 87mm (5.5" x 3.9" x 3.4") and a weight of 660 grams (1.46 lbs) whilst the Pentax K20D has dimensions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") and a weight of 800 grams (1.76 lbs).

Contrast the Panasonic GH5S versus Pentax K20D in the new Camera with Lens Size Comparison Tool.

Don't forget, the weight of an Interchangeable Lens Camera will vary depending on the lens you have at the time. The following is the front view measurement comparison of the GH5S vs the K20D.

Considering dimensions and weight, the portability rating of the GH5S and K20D is 62 and 59 respectively.

Quite often, it is tough to picture the difference between sensor sizing just by reviewing a spec sheet. The graphic below may provide you a better sense of the sensor dimensions in the GH5S and K20D.

As you can see, both of these cameras enjoy different resolutions and different sensor sizing. The GH5S having a tinier sensor is going to make getting bokeh trickier and the Pentax K20D will offer you greater detail using its extra 5MP. Greater resolution will help you crop pics far more aggressively. The more recent GH5S provides a benefit with regard to sensor innovation.